Diff: mon.cpp

Revision:

0:87e65dabdb95

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mon.cpp	Thu Oct 25 21:57:40 2012 +0000
@@ -0,0 +1,250 @@
+/* Copyright (c) <year> <copyright holders>, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to deal in the Software without restriction, 
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or 
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+/*
+* the monitor support functions .. this needs shell to work
+* this just provides an array of commands and functions and the functions
+* themselves
+
+This is based on the ancient GB3H8 code from 1992!!!!!!!!!!!!!!!!!!!
+(c)jont@ninelocks.com 1992-2012
+
+Nasty nasty code intedned to help debug other bits of the project
+If you dont like the code, fix it :-)
+
+To add your functions you need to put them in 3 places
+
+search for JJT1 JJT2 JJT3 in this file
+*/
+
+
+#include "ctype.h"
+#include "shell.h"
+#include "mon.h"
+#include "mbed.h"
+
+
+/*======================================================================*/
+/* the externals                            */
+/*======================================================================*/
+/*
+Things in the main program you want to support and need access to
+could be done via a header... feel free to make it so
+*/
+
+extern DigitalOut myled3;
+extern AnalogIn a2d1;
+extern AnalogIn a2d2;
+extern AnalogIn a2d3;
+extern AnalogIn a2d4;
+extern AnalogIn a2d5;
+extern AnalogIn a2d6;
+
+/*==========================================================================================*/
+/*==========================================================================================*/
+/* the functions for the array of commands                                                  */
+/*==========================================================================================*/
+//JJT1 add the declaration of your function here
+/*==========================================================================================*/
+void command_help(void);
+void command_ledon(void);
+void command_ledoff(void);
+void command_a2d(void);
+void command_time(void); //show rtc datetime
+void command_utime(void); //setunixtime 
+
+
+/*======================================================================*/
+/* other supporting functions                        */
+/*======================================================================*/
+int convertHex(char *); /* convert a buffer to ascii decimal from hex */
+
+
+/*======================================================================*/
+/* typdefs                                */
+/*======================================================================*/
+
+/* an struct of string for the command and pointer to function */
+
+/*typedef struct
+    {
+        char *commandp;
+        void (*func_p)(void);
+    } cmd_entry;
+*/
+
+/*
+ JJT2 put the function in this table along with the associated command you want to use in the terminal.
+*/
+ const cmd_entry command_table[] =
+        {
+            "TIME", command_time, //show real time clock as human readable
+            "HELP",command_help,  //list the available commads
+            "A2D", command_a2d,  //show value of analogue to digital convertor inputs
+            "UTIME", command_utime, //set the realtime clock with a unix time string
+            "LEDON", command_ledon, //switch test led on
+            "LEDOFF", command_ledoff, //switch test led off
+            "",0,0      /* this terminates table */  
+        };
+  
+  
+/*======================================================================*/
+/* globals                           */
+/*======================================================================*/
+
+char valueChange = 0;   //used to point to where argument starts in the 
+                        //command buffer
+
+ 
+/*======================================================================*/
+/* support functions                            */
+/*======================================================================*/
+
+
+/*======================================================================*/
+/*= convert a buffer in ascii hex to ascii decimal            */
+/*======================================================================*/
+/*
+* if successfull returns TRUE else false
+* up to caller what to do about it 
+*/
+int convertHex(char *buffer)
+{
+char *oldBuffer;
+int number = 0;
+int digit;
+int length;
+oldBuffer = buffer;    /* so we can use it later */
+
+    length = strlen(buffer);    
+    if ( length > 8 || length == 0) //was 4 jt2012
+    {    
+    return(false);
+    }
+
+    while (*buffer != '\0')
+    {
+        if (isxdigit(*buffer) == 0)
+        {
+            return(false);
+        }
+        digit = *buffer;
+        digit -= 0x30;
+        if (digit > 9)   /* A - F */
+        {
+            digit -=7;
+        }
+
+        number <<=4;    /* shift left */
+        number |= digit;
+    buffer++;
+    }                
+sprintf(oldBuffer, "%d", number);
+return(true);
+}
+
+
+/*======================================================================*/
+/* here are the command handlers                    */
+/*======================================================================*/
+
+//JJT3 heres where you add your functions
+/*======================================================================*/
+/* command_help                                */
+/*======================================================================*/
+void command_help(void)
+{
+/* dumps all commands but only those you can use with your
+current level
+*/
+int i= 0;
+int size;        /* no of characters op */
+char column = 0;    /* which column on page */
+    printf("\n\r* * * * HELP * * * *\n\r");
+    do
+    {
+
+            printf("%s", command_table[i].commandp);
+             size =  strlen(command_table[i].commandp);
+            if ( size < 8 )
+            {
+            for(; size < 8; size++)
+                {
+            printf("%c",0x20);
+                }
+             }    
+            column++;
+            if (column >= 8)
+            {
+                printf("\n\r");
+                 column = 0;
+            }            
+     
+        i++;    /* display next entry */
+        }
+        while(strcmp( command_table[i].commandp, "") != 0);
+
+}
+
+
+
+/*======================================================================*/
+/*command_ledon                                                     */
+/*======================================================================*/
+void command_ledon(void)
+{
+myled3 = 1;
+}
+/*======================================================================*/
+/*command_ledon                                                     */
+/*======================================================================*/
+void command_ledoff(void)
+{
+myled3 = 0;
+}
+
+/*======================================================================*/
+/*command_time                                                     */
+/*======================================================================*/
+void command_time(void)
+{
+    time_t seconds = time(NULL);
+    printf("%s\n", ctime(&seconds));  
+
+}
+
+/*======================================================================*/
+/*Show Values read from A:" convertor                                                     */
+/*======================================================================*/
+void command_a2d()
+{
+    printf("A2D Readings %.2f %.2f %.2f %.2f %.2f %.2f", a2d1.read(),a2d2.read(),a2d3.read(),a2d4.read(),a2d5.read(),a2d6.read());
+}
+
+/*======================================================================*/
+/* Settime using a unixtime                                             */
+/*======================================================================*/
+//on your desktop you get uninxtime with date +%s
+void command_utime()
+{      
+time_t seconds;        
+
+seconds = atol(comBuff + valueChange);  
+set_time(seconds);
+printf("Setting time to %s",ctime(&seconds));  
+
+}